HD74HC173 查看數據表（PDF） - Renesas Electronics
零件编号
产品描述 (功能)
生产厂家
HD74HC173 Datasheet PDF : 8 Pages
| |||
HD74HC173
Waveforms
• Waveform – 1
Clear
Clock
Data
Output QH
tr
tf
90%
50%
10%
tW
tr
tf
50%
10%
trem
tW (H)
90% 90%
10%
10%
50%
tsu
th
90%
tf
50%
10% 10%
tPHL
90%
tr
tPLH
tW (L)
50%
tsu
50%
50%
th
50%
tPHL
90%
tTHL
50%
10%
10%
90%
50%
tTLH
50%
Note 1. Input pulse : PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns
VCC
0V
VCC
0V
VCC
0V
VOH
VOL
• Waveform – 2
tf
tr
90 %
90 %
VCC
Output
50 %
50 %
Control
10 %
10 %
0V
tZL
tLZ
VOH
Waveform – A
50 %
10 %
tZH
tHZ
VOL
Waveform – B
90 %
VOH
50 %
VOL
Notes 1. Input pulse PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns
2. Waveform – A is for an output with internal conditions such that
the output is low except when disabled by the output control.
3. waveform – B is for an output with internal conditions such that
the output is high except when disabled by the output control.
Rev.3.00, Jan 31, 2006 page 5 of 7
Share Link: 